OT-2026-000028248
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000028248) never changes.
Identity and time
| Publication number | OT-2026-000028248 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7e87-96cd-0fe4d2885234 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028248 |
| Status | PUBLIC |
Content hashes
| Canonical text | 995f23432deed7c7441f441577b0e987ab71ee2235df49dd078cd5030107e622 |
|---|---|
| Markdown | 859ee774ade904dd8c9ffd7f095b43f3e9f1173d46d63e1dc5a022aff7b32839 |
| Publication page | 27a363ce49e9012f678873253a441b47644baac9116caa8b31fc5484f91de9bf |
| Manifest | ac20d01af26b4c76e0cdd88259f1f5a9585522586b2d3644e502d10e9a5aae39 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | +t5fwt8D/c/Dr1jsCLjl/FRkXYrSwKnm3VvIxGLNLltqme25kecNIp8zXSk8F0PVhMtrWSIsy3U9GzoQIEV6AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:07.160569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028248observed 27a363ce49e9012f678873253a441b47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.142071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028248/manifest.jsonobserved ac20d01af26b4c76e0cdd88259f1f5a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.122224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028248/publication.mdobserved 859ee774ade904dd8c9ffd7f095b43f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.104347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028248/publication.txtobserved 995f23432deed7c7441f441577b0e987...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|